Toy tractor



FIG. 1 is a left side view showing my new design for a toy tractor;

FIG. 2 is a right side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a toy tractor, as shown and described. 